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"Bob LeChevalier" <lojbab@lojban.org> wrote in message news:i1mhkugkvkveqhjlbsfjr5bo4jaduimbqh@4ax.com... > "Parse Tree" <parsetree@hotmail.com> wrote: > >> The larger the sample size, the smaller the deviation from 25%. TIMSS was a > >> large enough sample size that a 3% standard error is conservative. > > > >I don't know the size of the sample. Was it 10 000? > > For the 12th grade math questions, N for the US was 2795. Only 2 > other countries had a sample size over 2000, and Cyprus had the > smallest sample at N=190. Ha ha ha!! That's not really big enough to get an accurate picture. I assumed that it was simply given to every student in the country that was of the required grade.
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Modified Thursday, November 12, 2009 Copyright @ 2007 by Fathers' Manifesto & Christian Party |
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